最新提问
我的动态
登录后查看动态
题目内容
The number of chairs is six times as many as desks, the weight of a desk is 9 times higher than a chair. If the total weight of all the desks is 12,000 kg, then what`s the total weight of all the chairs and desks?
20000 显示答案
以上解析由 考满分老师提供。